Source authenticated

Talagrand's operator cotype problem

No: the answer is negative already for $q=2$ , so no such universal constant exists.

Exact FrontierDelta

Prior state unknown→disproved

Scope and record

Occurred: Sep 17, 2026

Delta type: SOURCE CLAIM

Assumptions: VibeMathed verification: unreviewed. Publication: preprint. AI contribution: ai-discovered. VibeMathed editorial classifications, scores, notes, relations, and dataset structure are CC BY 4.0. Source statements and linked content retain their own rights.

Canonical aliases: Talagrand's operator cotype problem

Confidence: Not scored

Registry verification: unreviewed · preprint · resolved

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Attribution

VibeMathed
registry · event recorded by

ChatGPT (GPT-5.6)
model · ai model contributor · OpenAI

Xinglong Wu
human · human collaborator

Evidence vector

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Named evidence

VibeMathed record: Talagrand's operator cotype problem

specialist registry · passed

Checked here on 22 September 2026 against arXiv:2609.19731: the abstract and introduction both state the problem as Talagrand's and give the negative answer at $q=2$ , and the reference list confirms the source as Talagrand's Upper and Lower Bounds for Stochastic Processes, second edition, Springer 2021, where it is a numbered research problem. The mathematics was not checked here; five days old, no referee.

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Talagrand's operator cotype problem

preprint · pending

Primary source named by the VibeMathed record. Presence in this import is not an independent mathematical verification.

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This event attributed to ChatGPT (GPT-5.6)

Talagrand's operator cotype problem evidence for this event

Talagrand's operator cotype problem parent of this event

This event attributed to Xinglong Wu

VibeMathed record: Talagrand's operator cotype problem evidence for this event

No: the answer is negative already for $q=2$ , so no such universal constant exists. parent of this event

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